All at Once is the second studio album by American indie-rock band The Airborne Toxic Event.

The album was released on April 26, 2011, by Island Records.

The band contrasted the material on the album with the material on its first album, which songwriter Mikel Jollett described as consisting entirely of "sad songs about girls."

The material features expanded use of keyboards and is louder in many parts, but also contains acoustic songs.

"[9] All tracks are written by Mikel Jollett, except where noted This 2010s alternative rock album–related article is a stub.